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Raman scattering studies of magnetic Co-doped ZnO thin films
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10.1063/1.2804286
/content/aip/journal/jap/102/9/10.1063/1.2804286
http://aip.metastore.ingenta.com/content/aip/journal/jap/102/9/10.1063/1.2804286
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(Color online) XRD patterns for ZnO and Co-doped ZnO.

Image of FIG. 2.
FIG. 2.

(Color online) Room temperature Raman spectra of the vacuum annealed films for different values of .

Image of FIG. 3.
FIG. 3.

(Color online) FWHM and the corresponding calculated values of the correlation length as a function of for the vacuum and air annealed films. The upper panel shows the values of magnetic moment for the vacuum annealed films.

Image of FIG. 4.
FIG. 4.

(Color online) Room temperature Raman spectra of the air annealed films for different values of . The Raman modes labeled with their peak positions in the panel for 4.7% Co can be associated with the spinel structure.

Image of FIG. 5.
FIG. 5.

TEM and HRTEM images of cross-sections for different values of . At higher concentrations of Co doping some intergrowth features are seen. An arrow mark in 8.7% doped Co sample shows one such feature.

Image of FIG. 6.
FIG. 6.

(Color online) mode for the air and vacuum annealed samples.

Image of FIG. 7.
FIG. 7.

(Color online) (LO) mode for the air and vacuum annealed samples.

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/content/aip/journal/jap/102/9/10.1063/1.2804286
2007-11-06
2014-04-18
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Raman scattering studies of magnetic Co-doped ZnO thin films
http://aip.metastore.ingenta.com/content/aip/journal/jap/102/9/10.1063/1.2804286
10.1063/1.2804286
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